From 2ad30811b217c0880f8ea65a7da0f755ec0cf9e6 Mon Sep 17 00:00:00 2001 From: Adam Chlipala Date: Sat, 13 Sep 2008 10:30:45 -0400 Subject: foldTR2 --- lib/top.ur | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'lib/top.ur') diff --git a/lib/top.ur b/lib/top.ur index ec0e58af..4df12ff0 100644 --- a/lib/top.ur +++ b/lib/top.ur @@ -1,3 +1,6 @@ +con idT = fn t :: Type => t +con record = fn t :: {Type} => $t + con mapTT (f :: Type -> Type) = fold (fn nm t acc => [nm] ~ acc => [nm = f t] ++ acc) [] @@ -5,7 +8,7 @@ fun compose (t1 ::: Type) (t2 ::: Type) (t3 ::: Type) (f1 : t2 -> t3) (f2 : t1 - fun txt (t ::: Type) (ctx ::: {Unit}) (use ::: {Type}) (sh : show t) (v : t) = cdata (show sh v) -fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type) +val foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type) (f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest -> tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) (i : tr []) = -- cgit v1.2.3